{
  "node_id": "gml-326862a132ac4b548b70e5766a71c1ae",
  "keywords": [],
  "keywords_must": [
    [
      "Linux",
      "修改",
      "文件",
      "权限"
    ]
  ],
  "keywords_forbid": [],
  "children": [],
  "export": [
    "exercise_01.json",
    "exercise_02.json"
  ]
}